Hevea brasiliensis n 1: deciduous tree of the Amazon and Orinoco Rivers having leathery leaves and fragrant yellow-white flowers; it yields a milky juice that is the chief source of commercial rubber [syn: {Para rubber tree}, {caoutchouc tree}, {Hevea brasiliensis}]
Hevea \Hevea\ prop. n. A small genus of South American trees yielding latex. It includes the {rubber tree}, {Hevea brasiliensis}, originally found in South America, but now used for production of rubber world-wide. Syn: genus {Hevea}. [WordNet 1.5 +PJC]
Par'a rubber \Par['a] rubber\ The caoutchouc obtained from the South American euphorbiaceous tree {Hevea brasiliensis}, hence called the Par['a] rubber tree, from the Brazilian river and seaport named Par['a]; also, the similar product of other species of {Hevea}. It is usually exported in flat round cakes, and is a chief variety of commercial India rubber. [Webster 1913 Suppl.]